Convert MKV to AAC offline by JavaScript

Convert MKV to AAC offline

Convert local MKV files to AAC files offline by JavaScript in your web browser without any software downloads or file uploads!

Files:

Target:

Audio bitrate:

Sample rate:

Show conversion logs

OUTPUT FILES:

#	File Name	File Size	Actions

How to convert MKV to AAC offline

Choose local MKV files, choose "AAC" as target audio format, then click the "CONVERT OFFLINE" button to start offline conversions in bulk. File size can be up to 2GB. Please note this offline audio converter only works in web browsers that support new technologies such as WebAssembly, Shared Array Buffer and Site Isolation.

Name	MKV	AAC
Full name	Matroska Video	Advanced Audio Coding
File extension	.mkv, .mk3d, .mka, .mks	.aac
MIME	video/x-matroska, audio/x-matroska	audio/aac
Developed by	www.matroska.org	Bell Labs, Fraunhofer Institute etc.
Type of format	Container format	Audio compression format
Introduction	The Matroska Multimedia Container is an open standard free container format, a file format that can hold an unlimited number of video, audio, picture, or subtitle tracks in one file. It is intended to serve as a universal format for storing common multimedia content, like movies or TV shows.	Advanced Audio Coding (AAC) is an audio coding standard for lossy digital audio compression. Designed to be the successor of the MP3 format, AAC generally achieves better sound quality than MP3 at similar bit rates. AAC has been standardized by ISO and IEC, as part of the MPEG-2 and MPEG-4 specifications.